ld.so: Remove __libc_memalign

It is no longer needed since commit 6c444ad6e953dbdf9c7be065308a0a777
(elf: Do not use memalign for TCB/TLS blocks allocation [BZ #17730]).
Applications do not link against ld.so and will use the definition in
libc.so, so there is no ABI impact.

48 files changed, 106 insertions, 119 deletions

diff --git a/ChangeLog b/ChangeLog
index d01747866e..09c2e52afd 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,62 @@
 2016-11-30  Florian Weimer  <fweimer@redhat.com>
 
+	Remove __libc_memalign from ld.so because it is unused.
+	* elf/dl-minimal.c: Update comment on the malloc implementation.
+	(malloc): Renamed from __libc_memalign, replacing the original
+	malloc implementation.  Replace the align parameter with
+	MALLOC_ALIGNMENT.
+	* elf/Versions (ld): Update comment and remove __libc_memalign.
+	* sysdeps/nacl/ld.abilist: Likewise.
+	* sysdeps/unix/sysv/linux/aarch64/ld.abilist: Likewise.
+	* sysdeps/unix/sysv/linux/alpha/ld.abilist: Likewise.
+	* sysdeps/unix/sysv/linux/arm/ld.abilist: Likewise.
+	* sysdeps/unix/sysv/linux/hppa/ld.abilist: Likewise.
+	* sysdeps/unix/sysv/linux/i386/ld.abilist: Likewise.
+	* sysdeps/unix/sysv/linux/ia64/ld.abilist: Likewise.
+	* sysdeps/unix/sysv/linux/m68k/coldfire/ld.abilist: Likewise.
+	* sysdeps/unix/sysv/linux/m68k/m680x0/ld.abilist: Likewise.
+	* sysdeps/unix/sysv/linux/microblaze/ld.abilist: Likewise.
+	* sysdeps/unix/sysv/linux/mips/mips32/ld.abilist: Likewise.
+	* sysdeps/unix/sysv/linux/mips/mips64/n32/ld.abilist: Likewise.
+	* sysdeps/unix/sysv/linux/mips/mips64/n64/ld.abilist: Likewise.
+	* sysdeps/unix/sysv/linux/nios2/ld.abilist: Likewise.
+	* sysdeps/unix/sysv/linux/powerpc/powerpc32/ld.abilist: Likewise.
+	* sysdeps/unix/sysv/linux/powerpc/powerpc64/ld.abilist: Likewise.
+	* sysdeps/unix/sysv/linux/powerpc/powerpc64/ld-le.abilist: Likewise.
+	* sysdeps/unix/sysv/linux/s390/s390-32/ld.abilist: Likewise.
+	* sysdeps/unix/sysv/linux/s390/s390-64/ld.abilist: Likewise.
+	* sysdeps/unix/sysv/linux/sh/ld.abilist: Likewise.
+	* sysdeps/unix/sysv/linux/sparc/sparc32/ld.abilist: Likewise.
+	* sysdeps/unix/sysv/linux/sparc/sparc64/ld.abilist: Likewise.
+	* sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/ld.abilist: Likewise.
+	* sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/ld.abilist: Likewise.
+	* sysdeps/unix/sysv/linux/tile/tilepro/ld.abilist: Likewise.
+	* sysdeps/unix/sysv/linux/x86_64/64/ld.abilist: Likewise.
+	* sysdeps/unix/sysv/linux/x86_64/x32/ld.abilist: Likewise.
+	* sysdeps/generic/localplt.data (ld.so): Likewise.
+	* sysdeps/unix/sysv/linux/aarch64/localplt.data (ld.so): Likewise.
+	* sysdeps/unix/sysv/linux/alpha/localplt.data (ld.so): Likewise.
+	* sysdeps/unix/sysv/linux/arm/localplt.data (ld.so): Likewise.
+	* sysdeps/unix/sysv/linux/hppa/localplt.data (ld.so): Likewise.
+	* sysdeps/unix/sysv/linux/i386/localplt.data (ld.so): Likewise.
+	* sysdeps/unix/sysv/linux/ia64/localplt.data (ld.so): Likewise.
+	* sysdeps/unix/sysv/linux/m68k/localplt.data (ld.so): Likewise.
+	* sysdeps/unix/sysv/linux/microblaze/localplt.data (ld.so): Likewise.
+	* sysdeps/unix/sysv/linux/nios2/localplt.data (ld.so): Likewise.
+	* sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/localplt.data
+	(ld.so): Likewise.
+	* sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/localplt.data
+	(ld.so): Likewise.
+	* sysdeps/unix/sysv/linux/powerpc/powerpc64/localplt.data (ld.so):
+	Likewise.
+	* sysdeps/unix/sysv/linux/s390/localplt.data (ld.so): Likewise.
+	* sysdeps/unix/sysv/linux/sh/localplt.data (ld.so): Likewise.
+	* sysdeps/unix/sysv/linux/sparc/sparc32/localplt.data (ld.so): Likewise.
+	* sysdeps/unix/sysv/linux/sparc/sparc64/localplt.data (ld.so): Likewise.
+	* sysdeps/x86_64/localplt.data (ld.so): Likewise.
+
+2016-11-30  Florian Weimer  <fweimer@redhat.com>
+
 	[BZ #16628]
 	Implement _dl_catch_error, _dl_signal_error in libc.so.
 	* elf/dl-error-skeleton.c: Rename from elf/dl-error.c.
diff --git a/elf/Versions b/elf/Versions
index 05e5449f4d..08f76a7a20 100644
--- a/elf/Versions
+++ b/elf/Versions
@@ -34,8 +34,8 @@ libc {
 
 ld {
   GLIBC_2.0 {
-    # Function from libc.so which must be shared with libc.
-    __libc_memalign; calloc; free; malloc; realloc;
+    # Functions which are interposed from libc.so.
+    calloc; free; malloc; realloc;
 
     _r_debug;
   }
diff --git a/elf/dl-minimal.c b/elf/dl-minimal.c
index 6034b5a3fa..116ec4978c 100644
--- a/elf/dl-minimal.c
+++ b/elf/dl-minimal.c
@@ -31,8 +31,10 @@
 
 #include <assert.h>
 
-/* Minimal `malloc' allocator for use while loading shared libraries.
-   No block is ever freed.  */
+/* Minimal malloc allocator for used during initial link.  After the
+   initial link, a full malloc implementation is interposed, either
+   the one in libc, or a different one supplied by the user through
+   interposition.  */
 
 static void *alloc_ptr, *alloc_end, *alloc_last_block;
 
@@ -49,7 +51,7 @@ extern unsigned long int weak_function strtoul (const char *nptr,
 
 /* Allocate an aligned memory block.  */
 void * weak_function
-__libc_memalign (size_t align, size_t n)
+malloc (size_t n)
 {
   if (alloc_end == 0)
     {
@@ -62,8 +64,8 @@ __libc_memalign (size_t align, size_t n)
     }
 
   /* Make sure the allocation pointer is ideally aligned.  */
-  alloc_ptr = (void *) 0 + (((alloc_ptr - (void *) 0) + align - 1)
-			    & ~(align - 1));
+  alloc_ptr = (void *) 0 + (((alloc_ptr - (void *) 0) + MALLOC_ALIGNMENT - 1)
+			    & ~(MALLOC_ALIGNMENT - 1));
 
   if (alloc_ptr + n >= alloc_end || n >= -(uintptr_t) alloc_ptr)
     {
@@ -88,12 +90,6 @@ __libc_memalign (size_t align, size_t n)
   return alloc_last_block;
 }
 
-void * weak_function
-malloc (size_t n)
-{
-  return __libc_memalign (MALLOC_ALIGNMENT, n);
-}
-
 /* We use this function occasionally since the real implementation may
    be optimized when it can assume the memory it returns already is
    set to NUL.  */
diff --git a/sysdeps/generic/localplt.data b/sysdeps/generic/localplt.data
index 5cf53a4c21..81c741b038 100644
--- a/sysdeps/generic/localplt.data
+++ b/sysdeps/generic/localplt.data
@@ -7,10 +7,8 @@ libc.so: malloc
 libc.so: memalign
 libc.so: realloc
 libm.so: matherr
-# The dynamic loader uses __libc_memalign internally to allocate aligned
-# TLS storage. The other malloc family of functions are expected to allow
-# user symbol interposition.
-ld.so: __libc_memalign
+# The main malloc is interposed into the dynamic linker, for
+# allocations after the initial link (when dlopen is used).
 ld.so: malloc
 ld.so: calloc
 ld.so: realloc
diff --git a/sysdeps/nacl/ld.abilist b/sysdeps/nacl/ld.abilist
index 242f6d0723..0a52a24cad 100644
--- a/sysdeps/nacl/ld.abilist
+++ b/sysdeps/nacl/ld.abilist
@@ -1,5 +1,4 @@
 GLIBC_2.22 GLIBC_2.22 A
-GLIBC_2.22 __libc_memalign F
 GLIBC_2.22 __libc_stack_end D 0x4
 GLIBC_2.22 __stack_chk_guard D 0x4
 GLIBC_2.22 __tls_get_addr F
diff --git a/sysdeps/unix/sysv/linux/aarch64/ld.abilist b/sysdeps/unix/sysv/linux/aarch64/ld.abilist
index ab08a9845f..ec7f6174c5 100644
--- a/sysdeps/unix/sysv/linux/aarch64/ld.abilist
+++ b/sysdeps/unix/sysv/linux/aarch64/ld.abilist
@@ -1,5 +1,4 @@
 GLIBC_2.17 GLIBC_2.17 A
-GLIBC_2.17 __libc_memalign F
 GLIBC_2.17 __libc_stack_end D 0x8
 GLIBC_2.17 __stack_chk_guard D 0x8
 GLIBC_2.17 __tls_get_addr F
diff --git a/sysdeps/unix/sysv/linux/aarch64/localplt.data b/sysdeps/unix/sysv/linux/aarch64/localplt.data
index e431f368e3..bb18ff9bb2 100644
--- a/sysdeps/unix/sysv/linux/aarch64/localplt.data
+++ b/sysdeps/unix/sysv/linux/aarch64/localplt.data
@@ -7,11 +7,10 @@ libc.so: malloc
 libc.so: memalign
 libc.so: realloc
 libm.so: matherr
-# The dynamic loader needs __tls_get_addr for TLS, and uses __libc_memalign
-# internally to allocate aligned TLS storage. The other malloc family of
-# functions are expected to allow user symbol interposition.
+# The dynamic loader needs __tls_get_addr for TLS.
 ld.so: __tls_get_addr
-ld.so: __libc_memalign
+# The main malloc is interposed into the dynamic linker, for
+# allocations after the initial link (when dlopen is used).
 ld.so: malloc
 ld.so: calloc
 ld.so: realloc
diff --git a/sysdeps/unix/sysv/linux/alpha/ld.abilist b/sysdeps/unix/sysv/linux/alpha/ld.abilist
index 9faf6eb2c6..ca34294610 100644
--- a/sysdeps/unix/sysv/linux/alpha/ld.abilist
+++ b/sysdeps/unix/sysv/linux/alpha/ld.abilist
@@ -1,5 +1,4 @@
 GLIBC_2.0 GLIBC_2.0 A
-GLIBC_2.0 __libc_memalign F
 GLIBC_2.0 _r_debug D 0x28
 GLIBC_2.0 calloc F
 GLIBC_2.0 free F
diff --git a/sysdeps/unix/sysv/linux/alpha/localplt.data b/sysdeps/unix/sysv/linux/alpha/localplt.data
index 298439365f..cca17f1e34 100644
--- a/sysdeps/unix/sysv/linux/alpha/localplt.data
+++ b/sysdeps/unix/sysv/linux/alpha/localplt.data
@@ -24,11 +24,10 @@ libm.so: matherr
 # We used to offer inline functions that used this, so it must be exported.
 # Ought to reorg things such that carg isn't thus forced to use a plt.
 libm.so: __atan2
-# The dynamic loader needs __tls_get_addr for TLS, and uses __libc_memalign
-# internally to allocate aligned TLS storage. The other malloc family of
-# functions are expected to allow user symbol interposition.
+# The dynamic loader needs __tls_get_addr for TLS.
 ld.so: __tls_get_addr ?
-ld.so: __libc_memalign + RELA R_ALPHA_GLOB_DAT
+# The main malloc is interposed into the dynamic linker, for
+# allocations after the initial link (when dlopen is used).
 ld.so: malloc + RELA R_ALPHA_GLOB_DAT
 ld.so: calloc + RELA R_ALPHA_GLOB_DAT
 ld.so: realloc + RELA R_ALPHA_GLOB_DAT
diff --git a/sysdeps/unix/sysv/linux/arm/ld.abilist b/sysdeps/unix/sysv/linux/arm/ld.abilist
index 4de351ea3f..cbf3a3cb2e 100644
--- a/sysdeps/unix/sysv/linux/arm/ld.abilist
+++ b/sysdeps/unix/sysv/linux/arm/ld.abilist
@@ -1,5 +1,4 @@
 GLIBC_2.4 GLIBC_2.4 A
-GLIBC_2.4 __libc_memalign F
 GLIBC_2.4 __libc_stack_end D 0x4
 GLIBC_2.4 __stack_chk_guard D 0x4
 GLIBC_2.4 __tls_get_addr F
diff --git a/sysdeps/unix/sysv/linux/arm/localplt.data b/sysdeps/unix/sysv/linux/arm/localplt.data
index a5ccd7fa58..8bc876dd03 100644
--- a/sysdeps/unix/sysv/linux/arm/localplt.data
+++ b/sysdeps/unix/sysv/linux/arm/localplt.data
@@ -7,11 +7,10 @@ libc.so: realloc
 libm.so: matherr
 libpthread.so: __errno_location
 libpthread.so: raise
-# The dynamic loader needs __tls_get_addr for TLS, and uses __libc_memalign
-# internally to allocate aligned TLS storage. The other malloc family of
-# functions are expected to allow user symbol interposition.
+# The dynamic loader needs __tls_get_addr for TLS.
 ld.so: __tls_get_addr
-ld.so: __libc_memalign
+# The main malloc is interposed into the dynamic linker, for
+# allocations after the initial link (when dlopen is used).
 ld.so: malloc
 ld.so: calloc
 ld.so: realloc
diff --git a/sysdeps/unix/sysv/linux/hppa/ld.abilist b/sysdeps/unix/sysv/linux/hppa/ld.abilist
index dc3ebf48c5..fc1c60ea17 100644
--- a/sysdeps/unix/sysv/linux/hppa/ld.abilist
+++ b/sysdeps/unix/sysv/linux/hppa/ld.abilist
@@ -1,5 +1,4 @@
 GLIBC_2.2 GLIBC_2.2 A
-GLIBC_2.2 __libc_memalign F
 GLIBC_2.2 __libc_stack_end D 0x4
 GLIBC_2.2 _dl_mcount F
 GLIBC_2.2 _r_debug D 0x14
diff --git a/sysdeps/unix/sysv/linux/hppa/localplt.data b/sysdeps/unix/sysv/linux/hppa/localplt.data
index fea8c9cbf6..9dd81b47c8 100644
--- a/sysdeps/unix/sysv/linux/hppa/localplt.data
+++ b/sysdeps/unix/sysv/linux/hppa/localplt.data
@@ -13,10 +13,8 @@ libc.so: sigprocmask
 libc.so: __errno_location
 libm.so: matherr
 libpthread.so: __errno_location
-# The dynamic loader uses __libc_memalign internally to allocate aligned
-# TLS storage. The other malloc family of functions are expected to allow
-# user symbol interposition.
-ld.so: __libc_memalign
+# The main malloc is interposed into the dynamic linker, for
+# allocations after the initial link (when dlopen is used).
 ld.so: malloc
 ld.so: calloc
 ld.so: realloc
diff --git a/sysdeps/unix/sysv/linux/i386/ld.abilist b/sysdeps/unix/sysv/linux/i386/ld.abilist
index b8914ed642..ddf9e78ec2 100644
--- a/sysdeps/unix/sysv/linux/i386/ld.abilist
+++ b/sysdeps/unix/sysv/linux/i386/ld.abilist
@@ -1,5 +1,4 @@
 GLIBC_2.0 GLIBC_2.0 A
-GLIBC_2.0 __libc_memalign F
 GLIBC_2.0 _r_debug D 0x14
 GLIBC_2.0 calloc F
 GLIBC_2.0 free F
diff --git a/sysdeps/unix/sysv/linux/i386/localplt.data b/sysdeps/unix/sysv/linux/i386/localplt.data
index 48bcc42a67..2c2584956d 100644
--- a/sysdeps/unix/sysv/linux/i386/localplt.data
+++ b/sysdeps/unix/sysv/linux/i386/localplt.data
@@ -7,10 +7,8 @@ libc.so: malloc + REL R_386_GLOB_DAT
 libc.so: memalign + REL R_386_GLOB_DAT
 libc.so: realloc + REL R_386_GLOB_DAT
 libm.so: matherr
-# The dynamic loader uses __libc_memalign internally to allocate aligned
-# TLS storage. The other malloc family of functions are expected to allow
-# user symbol interposition.
-ld.so: __libc_memalign + REL R_386_GLOB_DAT
+# The main malloc is interposed into the dynamic linker, for
+# allocations after the initial link (when dlopen is used).
 ld.so: malloc + REL R_386_GLOB_DAT
 ld.so: calloc + REL R_386_GLOB_DAT
 ld.so: realloc + REL R_386_GLOB_DAT
diff --git a/sysdeps/unix/sysv/linux/ia64/ld.abilist b/sysdeps/unix/sysv/linux/ia64/ld.abilist
index 9041ccbe60..9b45d5e90c 100644
--- a/sysdeps/unix/sysv/linux/ia64/ld.abilist
+++ b/sysdeps/unix/sysv/linux/ia64/ld.abilist
@@ -1,5 +1,4 @@
 GLIBC_2.2 GLIBC_2.2 A
-GLIBC_2.2 __libc_memalign F
 GLIBC_2.2 __libc_stack_end D 0x8
 GLIBC_2.2 _dl_mcount F
 GLIBC_2.2 _r_debug D 0x28
diff --git a/sysdeps/unix/sysv/linux/ia64/localplt.data b/sysdeps/unix/sysv/linux/ia64/localplt.data
index df63530b6c..fd2b98c8b6 100644
--- a/sysdeps/unix/sysv/linux/ia64/localplt.data
+++ b/sysdeps/unix/sysv/linux/ia64/localplt.data
@@ -6,10 +6,8 @@ libc.so: realloc
 libm.so: matherr
 libm.so: matherrf
 libm.so: matherrl
-# The dynamic loader uses __libc_memalign internally to allocate aligned
-# TLS storage. The other malloc family of functions are expected to allow
-# user symbol interposition.
-ld.so: __libc_memalign
+# The main malloc is interposed into the dynamic linker, for
+# allocations after the initial link (when dlopen is used).
 ld.so: malloc
 ld.so: calloc
 ld.so: realloc
diff --git a/sysdeps/unix/sysv/linux/m68k/coldfire/ld.abilist b/sysdeps/unix/sysv/linux/m68k/coldfire/ld.abilist
index 4de351ea3f..cbf3a3cb2e 100644
--- a/sysdeps/unix/sysv/linux/m68k/coldfire/ld.abilist
+++ b/sysdeps/unix/sysv/linux/m68k/coldfire/ld.abilist
@@ -1,5 +1,4 @@
 GLIBC_2.4 GLIBC_2.4 A
-GLIBC_2.4 __libc_memalign F
 GLIBC_2.4 __libc_stack_end D 0x4
 GLIBC_2.4 __stack_chk_guard D 0x4
 GLIBC_2.4 __tls_get_addr F
diff --git a/sysdeps/unix/sysv/linux/m68k/localplt.data b/sysdeps/unix/sysv/linux/m68k/localplt.data
index abfbd34f41..1a2acfdb93 100644
--- a/sysdeps/unix/sysv/linux/m68k/localplt.data
+++ b/sysdeps/unix/sysv/linux/m68k/localplt.data
@@ -6,10 +6,8 @@ libc.so: malloc
 libc.so: memalign
 libc.so: realloc
 libm.so: matherr
-# The dynamic loader uses __libc_memalign internally to allocate aligned
-# TLS storage. The other malloc family of functions are expected to allow
-# user symbol interposition.
-ld.so: __libc_memalign
+# The main malloc is interposed into the dynamic linker, for
+# allocations after the initial link (when dlopen is used).
 ld.so: malloc
 ld.so: calloc
 ld.so: realloc
diff --git a/sysdeps/unix/sysv/linux/m68k/m680x0/ld.abilist b/sysdeps/unix/sysv/linux/m68k/m680x0/ld.abilist
index ee3458906d..3907c9da33 100644
--- a/sysdeps/unix/sysv/linux/m68k/m680x0/ld.abilist
+++ b/sysdeps/unix/sysv/linux/m68k/m680x0/ld.abilist
@@ -1,5 +1,4 @@
 GLIBC_2.0 GLIBC_2.0 A
-GLIBC_2.0 __libc_memalign F
 GLIBC_2.0 _r_debug D 0x14
 GLIBC_2.0 calloc F
 GLIBC_2.0 free F
diff --git a/sysdeps/unix/sysv/linux/microblaze/ld.abilist b/sysdeps/unix/sysv/linux/microblaze/ld.abilist
index f486acb399..265085edc8 100644
--- a/sysdeps/unix/sysv/linux/microblaze/ld.abilist
+++ b/sysdeps/unix/sysv/linux/microblaze/ld.abilist
@@ -1,5 +1,4 @@
 GLIBC_2.18 GLIBC_2.18 A
-GLIBC_2.18 __libc_memalign F
 GLIBC_2.18 __libc_stack_end D 0x4
 GLIBC_2.18 __stack_chk_guard D 0x4
 GLIBC_2.18 __tls_get_addr F
diff --git a/sysdeps/unix/sysv/linux/microblaze/localplt.data b/sysdeps/unix/sysv/linux/microblaze/localplt.data
index 697fdd0186..07bcf3b29a 100644
--- a/sysdeps/unix/sysv/linux/microblaze/localplt.data
+++ b/sysdeps/unix/sysv/linux/microblaze/localplt.data
@@ -6,11 +6,10 @@ libc.so: memalign
 libc.so: realloc
 libm.so: matherr
 libpthread.so: __errno_location
-# The dynamic loader needs __tls_get_addr for TLS, and uses __libc_memalign
-# internally to allocate aligned TLS storage. The other malloc family of
-# functions are expected to allow user symbol interposition.
+# The dynamic loader needs __tls_get_addr for TLS.
 ld.so: __tls_get_addr
-ld.so: __libc_memalign
+# The main malloc is interposed into the dynamic linker, for
+# allocations after the initial link (when dlopen is used).
 ld.so: malloc
 ld.so: calloc
 ld.so: realloc
diff --git a/sysdeps/unix/sysv/linux/mips/mips32/ld.abilist b/sysdeps/unix/sysv/linux/mips/mips32/ld.abilist
index afdb905811..651b952524 100644
--- a/sysdeps/unix/sysv/linux/mips/mips32/ld.abilist
+++ b/sysdeps/unix/sysv/linux/mips/mips32/ld.abilist
@@ -1,5 +1,4 @@
 GLIBC_2.0 GLIBC_2.0 A
-GLIBC_2.0 __libc_memalign F
 GLIBC_2.0 _r_debug D 0x14
 GLIBC_2.0 calloc F
 GLIBC_2.0 free F
diff --git a/sysdeps/unix/sysv/linux/mips/mips64/n32/ld.abilist b/sysdeps/unix/sysv/linux/mips/mips64/n32/ld.abilist
index 6993e70bfa..bf55148c79 100644
--- a/sysdeps/unix/sysv/linux/mips/mips64/n32/ld.abilist
+++ b/sysdeps/unix/sysv/linux/mips/mips64/n32/ld.abilist
@@ -1,5 +1,4 @@
 GLIBC_2.0 GLIBC_2.0 A
-GLIBC_2.0 __libc_memalign F
 GLIBC_2.0 _r_debug D 0x14
 GLIBC_2.0 calloc F
 GLIBC_2.0 free F
diff --git a/sysdeps/unix/sysv/linux/mips/mips64/n64/ld.abilist b/sysdeps/unix/sysv/linux/mips/mips64/n64/ld.abilist
index 759e99b00c..f7ba5fd730 100644
--- a/sysdeps/unix/sysv/linux/mips/mips64/n64/ld.abilist
+++ b/sysdeps/unix/sysv/linux/mips/mips64/n64/ld.abilist
@@ -1,5 +1,4 @@
 GLIBC_2.0 GLIBC_2.0 A
-GLIBC_2.0 __libc_memalign F
 GLIBC_2.0 _r_debug D 0x28
 GLIBC_2.0 calloc F
 GLIBC_2.0 free F
diff --git a/sysdeps/unix/sysv/linux/nios2/ld.abilist b/sysdeps/unix/sysv/linux/nios2/ld.abilist
index 389bdaa0cb..a127464b4b 100644
--- a/sysdeps/unix/sysv/linux/nios2/ld.abilist
+++ b/sysdeps/unix/sysv/linux/nios2/ld.abilist
@@ -1,5 +1,4 @@
 GLIBC_2.21 GLIBC_2.21 A
-GLIBC_2.21 __libc_memalign F
 GLIBC_2.21 __libc_stack_end D 0x4
 GLIBC_2.21 __stack_chk_guard D 0x4
 GLIBC_2.21 __tls_get_addr F
diff --git a/sysdeps/unix/sysv/linux/nios2/localplt.data b/sysdeps/unix/sysv/linux/nios2/localplt.data
index a7d774dcf8..584963d202 100644
--- a/sysdeps/unix/sysv/linux/nios2/localplt.data
+++ b/sysdeps/unix/sysv/linux/nios2/localplt.data
@@ -27,10 +27,8 @@ libc.so: __nedf2
 libc.so: __eqdf2
 libc.so: __extendsfdf2
 libm.so: matherr
-# The dynamic loader uses __libc_memalign internally to allocate aligned
-# TLS storage. The other malloc family of functions are expected to allow
-# user symbol interposition.
-ld.so: __libc_memalign
+# The main malloc is interposed into the dynamic linker, for
+# allocations after the initial link (when dlopen is used).
 ld.so: malloc
 ld.so: calloc
 ld.so: realloc
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/localplt.data b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/localplt.data
index 4ef5bf4a7f..50006317c7 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/localplt.data
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/localplt.data
@@ -5,10 +5,8 @@ libc.so: malloc
 libc.so: memalign
 libc.so: realloc
 libm.so: matherr
-# The dynamic loader uses __libc_memalign internally to allocate aligned
-# TLS storage. The other malloc family of functions are expected to allow
-# user symbol interposition.
-ld.so: __libc_memalign
+# The main malloc is interposed into the dynamic linker, for
+# allocations after the initial link (when dlopen is used).
 ld.so: malloc
 ld.so: calloc
 ld.so: realloc
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/ld.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/ld.abilist
index 2eb4d5fef1..100d133495 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/ld.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/ld.abilist
@@ -1,5 +1,4 @@
 GLIBC_2.0 GLIBC_2.0 A
-GLIBC_2.0 __libc_memalign F
 GLIBC_2.0 _r_debug D 0x14
 GLIBC_2.0 calloc F
 GLIBC_2.0 free F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/localplt.data b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/localplt.data
index c9194264dd..1c20d2f2b4 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/localplt.data
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/localplt.data
@@ -35,10 +35,8 @@ libc.so: realloc
 libm.so: copysignl ?
 libm.so: fabsl
 libm.so: matherr
-# The dynamic loader uses __libc_memalign internally to allocate aligned
-# TLS storage. The other malloc family of functions are expected to allow
-# user symbol interposition.
-ld.so: __libc_memalign
+# The main malloc is interposed into the dynamic linker, for
+# allocations after the initial link (when dlopen is used).
 ld.so: malloc
 ld.so: calloc
 ld.so: realloc
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/ld-le.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc64/ld-le.abilist
index 27d451b46b..ef6159baa8 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/ld-le.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/ld-le.abilist
@@ -1,5 +1,4 @@
 GLIBC_2.17 GLIBC_2.17 A
-GLIBC_2.17 __libc_memalign F
 GLIBC_2.17 __libc_stack_end D 0x8
 GLIBC_2.17 __tls_get_addr F
 GLIBC_2.17 _dl_mcount F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/ld.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc64/ld.abilist
index 8914eb06b4..2c3b74cc20 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/ld.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/ld.abilist
@@ -3,7 +3,6 @@ GLIBC_2.22 __tls_get_addr_opt F
 GLIBC_2.23 GLIBC_2.23 A
 GLIBC_2.23 __parse_hwcap_and_convert_at_platform F
 GLIBC_2.3 GLIBC_2.3 A
-GLIBC_2.3 __libc_memalign F
 GLIBC_2.3 __libc_stack_end D 0x8
 GLIBC_2.3 __tls_get_addr F
 GLIBC_2.3 _dl_mcount F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/localplt.data b/sysdeps/unix/sysv/linux/powerpc/powerpc64/localplt.data
index 2d434726cc..6f8ed25922 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/localplt.data
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/localplt.data
@@ -4,10 +4,8 @@ libc.so: malloc
 libc.so: memalign
 libc.so: realloc
 libm.so: matherr
-# The dynamic loader uses __libc_memalign internally to allocate aligned
-# TLS storage. The other malloc family of functions are expected to
-# allow user symbol interposition.
-ld.so: __libc_memalign
+# The main malloc is interposed into the dynamic linker, for
+# allocations after the initial link (when dlopen is used).
 ld.so: malloc
 ld.so: calloc
 ld.so: realloc
diff --git a/sysdeps/unix/sysv/linux/s390/localplt.data b/sysdeps/unix/sysv/linux/s390/localplt.data
index bd1adddb1f..50006317c7 100644
--- a/sysdeps/unix/sysv/linux/s390/localplt.data
+++ b/sysdeps/unix/sysv/linux/s390/localplt.data
@@ -5,17 +5,8 @@ libc.so: malloc
 libc.so: memalign
 libc.so: realloc
 libm.so: matherr
-# The dynamic loader uses __libc_memalign internally to allocate aligned
-# TLS storage. The other malloc family of functions are expected to allow
-# user symbol interposition.
-# It is also allowed to call __libc_memalign via function-pointer loaded from
-# GOT instead of calling via a plt-stub. In this case there is a R_390_GLOB_DAT
-# relocation in section .rela.dyn instead of R_390_JMP_SLOT in .rela.plt.
-# After commit "elf: Do not use memalign for TCB/TLS blocks allocation
-# [BZ #17730]" __libc_memalign is only called in elf/dl-minimal.c: malloc() in
-# ld.so and gcc -O2/-O3 leads to R_390_GLOB_DAT. If build with
-# -fno-optimize-sibling-calls an R_390_JMP_SLOT is generated.
-ld.so: __libc_memalign + RELA R_390_GLOB_DAT
+# The main malloc is interposed into the dynamic linker, for
+# allocations after the initial link (when dlopen is used).
 ld.so: malloc
 ld.so: calloc
 ld.so: realloc
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/ld.abilist b/sysdeps/unix/sysv/linux/s390/s390-32/ld.abilist
index ec7491f5d7..c16b2c1344 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/ld.abilist
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/ld.abilist
@@ -1,5 +1,4 @@
 GLIBC_2.0 GLIBC_2.0 A
-GLIBC_2.0 __libc_memalign F
 GLIBC_2.0 _r_debug D 0x14
 GLIBC_2.0 calloc F
 GLIBC_2.0 free F
diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/ld.abilist b/sysdeps/unix/sysv/linux/s390/s390-64/ld.abilist
index c2e0d9660a..5e604f5376 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-64/ld.abilist
+++ b/sysdeps/unix/sysv/linux/s390/s390-64/ld.abilist
@@ -1,5 +1,4 @@
 GLIBC_2.2 GLIBC_2.2 A
-GLIBC_2.2 __libc_memalign F
 GLIBC_2.2 __libc_stack_end D 0x8
 GLIBC_2.2 _dl_mcount F
 GLIBC_2.2 _r_debug D 0x28
diff --git a/sysdeps/unix/sysv/linux/sh/ld.abilist b/sysdeps/unix/sysv/linux/sh/ld.abilist
index dc3ebf48c5..fc1c60ea17 100644
--- a/sysdeps/unix/sysv/linux/sh/ld.abilist
+++ b/sysdeps/unix/sysv/linux/sh/ld.abilist
@@ -1,5 +1,4 @@
 GLIBC_2.2 GLIBC_2.2 A
-GLIBC_2.2 __libc_memalign F
 GLIBC_2.2 __libc_stack_end D 0x4
 GLIBC_2.2 _dl_mcount F
 GLIBC_2.2 _r_debug D 0x14
diff --git a/sysdeps/unix/sysv/linux/sh/localplt.data b/sysdeps/unix/sysv/linux/sh/localplt.data
index e6fb930cf7..f1f5effc24 100644
--- a/sysdeps/unix/sysv/linux/sh/localplt.data
+++ b/sysdeps/unix/sysv/linux/sh/localplt.data
@@ -10,10 +10,8 @@ libc.so: _Unwind_Find_FDE
 libc.so: _exit
 libc.so: __errno_location
 libm.so: matherr
-# The dynamic loader uses __libc_memalign internally to allocate aligned
-# TLS storage. The other malloc family of functions are expected to allow
-# user symbol interposition.
-ld.so: __libc_memalign
+# The main malloc is interposed into the dynamic linker, for
+# allocations after the initial link (when dlopen is used).
 ld.so: malloc
 ld.so: calloc
 ld.so: realloc
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/ld.abilist b/sysdeps/unix/sysv/linux/sparc/sparc32/ld.abilist
index 3acaae2290..fb4bcb016d 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc32/ld.abilist
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/ld.abilist
@@ -1,5 +1,4 @@
 GLIBC_2.0 GLIBC_2.0 A
-GLIBC_2.0 __libc_memalign F
 GLIBC_2.0 _r_debug D 0x14
 GLIBC_2.0 calloc F
 GLIBC_2.0 free F
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/localplt.data b/sysdeps/unix/sysv/linux/sparc/sparc32/localplt.data
index d5b5895a5c..c9786fd6ea 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc32/localplt.data
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/localplt.data
@@ -16,10 +16,8 @@ libc.so: malloc
 libc.so: memalign
 libc.so: realloc
 libm.so: matherr
-# The dynamic loader uses __libc_memalign internally to allocate
-# aligned TLS storage. The other malloc family of functions are
-# expected to allow user symbol interposition.
-ld.so: __libc_memalign
+# The main malloc is interposed into the dynamic linker, for
+# allocations after the initial link (when dlopen is used).
 ld.so: malloc
 ld.so: calloc
 ld.so: realloc
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/ld.abilist b/sysdeps/unix/sysv/linux/sparc/sparc64/ld.abilist
index 9041ccbe60..9b45d5e90c 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc64/ld.abilist
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/ld.abilist
@@ -1,5 +1,4 @@
 GLIBC_2.2 GLIBC_2.2 A
-GLIBC_2.2 __libc_memalign F
 GLIBC_2.2 __libc_stack_end D 0x8
 GLIBC_2.2 _dl_mcount F
 GLIBC_2.2 _r_debug D 0x28
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/localplt.data b/sysdeps/unix/sysv/linux/sparc/sparc64/localplt.data
index edceab57c3..912bd1a16e 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc64/localplt.data
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/localplt.data
@@ -18,10 +18,8 @@ libc.so: malloc
 libc.so: memalign
 libc.so: realloc
 libm.so: matherr
-# The dynamic loader uses __libc_memalign internally to allocate
-# aligned TLS storage. The other malloc family of functions are
-# expected to allow user symbol interposition.
-ld.so: __libc_memalign
+# The main malloc is interposed into the dynamic linker, for
+# allocations after the initial link (when dlopen is used).
 ld.so: malloc
 ld.so: calloc
 ld.so: realloc
diff --git a/sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/ld.abilist b/sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/ld.abilist
index 3ab170cc91..f166310147 100644
--- a/sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/ld.abilist
+++ b/sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/ld.abilist
@@ -1,5 +1,4 @@
 GLIBC_2.12 GLIBC_2.12 A
-GLIBC_2.12 __libc_memalign F
 GLIBC_2.12 __libc_stack_end D 0x4
 GLIBC_2.12 __tls_get_addr F
 GLIBC_2.12 _dl_mcount F
diff --git a/sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/ld.abilist b/sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/ld.abilist
index aa6cbabfc3..ab74e7ecd1 100644
--- a/sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/ld.abilist
+++ b/sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/ld.abilist
@@ -1,5 +1,4 @@
 GLIBC_2.12 GLIBC_2.12 A
-GLIBC_2.12 __libc_memalign F
 GLIBC_2.12 __libc_stack_end D 0x8
 GLIBC_2.12 __tls_get_addr F
 GLIBC_2.12 _dl_mcount F
diff --git a/sysdeps/unix/sysv/linux/tile/tilepro/ld.abilist b/sysdeps/unix/sysv/linux/tile/tilepro/ld.abilist
index 3ab170cc91..f166310147 100644
--- a/sysdeps/unix/sysv/linux/tile/tilepro/ld.abilist
+++ b/sysdeps/unix/sysv/linux/tile/tilepro/ld.abilist
@@ -1,5 +1,4 @@
 GLIBC_2.12 GLIBC_2.12 A
-GLIBC_2.12 __libc_memalign F
 GLIBC_2.12 __libc_stack_end D 0x4
 GLIBC_2.12 __tls_get_addr F
 GLIBC_2.12 _dl_mcount F
diff --git a/sysdeps/unix/sysv/linux/x86_64/64/ld.abilist b/sysdeps/unix/sysv/linux/x86_64/64/ld.abilist
index 9e09ac6936..07cab4bd7a 100644
--- a/sysdeps/unix/sysv/linux/x86_64/64/ld.abilist
+++ b/sysdeps/unix/sysv/linux/x86_64/64/ld.abilist
@@ -1,5 +1,4 @@
 GLIBC_2.2.5 GLIBC_2.2.5 A
-GLIBC_2.2.5 __libc_memalign F
 GLIBC_2.2.5 __libc_stack_end D 0x8
 GLIBC_2.2.5 _dl_mcount F
 GLIBC_2.2.5 _r_debug D 0x28
diff --git a/sysdeps/unix/sysv/linux/x86_64/x32/ld.abilist b/sysdeps/unix/sysv/linux/x86_64/x32/ld.abilist
index d595038b2b..236357bd83 100644
--- a/sysdeps/unix/sysv/linux/x86_64/x32/ld.abilist
+++ b/sysdeps/unix/sysv/linux/x86_64/x32/ld.abilist
@@ -1,5 +1,4 @@
 GLIBC_2.16 GLIBC_2.16 A
-GLIBC_2.16 __libc_memalign F
 GLIBC_2.16 __libc_stack_end D 0x4
 GLIBC_2.16 __tls_get_addr F
 GLIBC_2.16 _dl_mcount F
diff --git a/sysdeps/x86_64/localplt.data b/sysdeps/x86_64/localplt.data
index 28096f893e..014a9f4554 100644
--- a/sysdeps/x86_64/localplt.data
+++ b/sysdeps/x86_64/localplt.data
@@ -9,10 +9,8 @@ libc.so: malloc + RELA R_X86_64_GLOB_DAT
 libc.so: memalign + RELA R_X86_64_GLOB_DAT
 libc.so: realloc + RELA R_X86_64_GLOB_DAT
 libm.so: matherr
-# The dynamic loader uses __libc_memalign internally to allocate aligned
-# TLS storage. The other malloc family of functions are expected to allow
-# user symbol interposition.
-ld.so: __libc_memalign + RELA R_X86_64_GLOB_DAT
+# The main malloc is interposed into the dynamic linker, for
+# allocations after the initial link (when dlopen is used).
 ld.so: malloc + RELA R_X86_64_GLOB_DAT
 ld.so: calloc + RELA R_X86_64_GLOB_DAT
 ld.so: realloc + RELA R_X86_64_GLOB_DAT